diff options
Diffstat (limited to 'MdePkg/Library/BasePeCoffGetEntryPointLib')
| -rw-r--r-- | MdePkg/Library/BasePeCoffGetEntryPointLib/PeCoffGetEntryPoint.c | 29 |
1 files changed, 28 insertions, 1 deletions
diff --git a/MdePkg/Library/BasePeCoffGetEntryPointLib/PeCoffGetEntryPoint.c b/MdePkg/Library/BasePeCoffGetEntryPointLib/PeCoffGetEntryPoint.c index d0a6746e50..ab60297776 100644 --- a/MdePkg/Library/BasePeCoffGetEntryPointLib/PeCoffGetEntryPoint.c +++ b/MdePkg/Library/BasePeCoffGetEntryPointLib/PeCoffGetEntryPoint.c @@ -136,6 +136,7 @@ PeCoffLoaderGetPdbPointer ( VOID *CodeViewEntryPointer;
INTN TEImageAdjust;
UINT32 NumberOfRvaAndSizes;
+ UINT16 Magic;
ASSERT (Pe32Data != NULL);
@@ -166,7 +167,33 @@ PeCoffLoaderGetPdbPointer ( TEImageAdjust);
}
} else if (Hdr.Pe32->Signature == EFI_IMAGE_NT_SIGNATURE) {
- if (Hdr.Pe32->OptionalHeader.Magic == EFI_IMAGE_NT_OPTIONAL_HDR32_MAGIC) {
+ //
+ // NOTE: We use Machine field to identify PE32/PE32+, instead of Magic.
+ // It is due to backward-compatibility, for some system might
+ // generate PE32+ image with PE32 Magic.
+ //
+ switch (Hdr.Pe32->FileHeader.Machine) {
+ case EFI_IMAGE_MACHINE_IA32:
+ //
+ // Assume PE32 image with IA32 Machine field.
+ //
+ Magic = EFI_IMAGE_NT_OPTIONAL_HDR32_MAGIC;
+ break;
+ case EFI_IMAGE_MACHINE_X64:
+ case EFI_IMAGE_MACHINE_IPF:
+ //
+ // Assume PE32+ image with X64 or IPF Machine field
+ //
+ Magic = EFI_IMAGE_NT_OPTIONAL_HDR64_MAGIC;
+ break;
+ default:
+ //
+ // For unknow Machine field, use Magic in optional Header
+ //
+ Magic = Hdr.Pe32->OptionalHeader.Magic;
+ }
+
+ if (Magic == EFI_IMAGE_NT_OPTIONAL_HDR32_MAGIC) {
//
// Use PE32 offset get Debug Directory Entry
//
|